SP-1812AP SP-158AP SP-K615AP SP-K618AP SP-1563AP SP-156AP
SP-155AP SP-115APM SP-112APM SPM-155AP SPM-152AP SPM-122AP

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The SP-115APM is the perfect solution for portable P.A needs.
Full range 2-way 300W mix amplified trapeziodal enclouser with 15" SK15300 transducers vented for offers maximum value by delivering unprecedented bandwith and maximum SPL. the built-in power amplifiers STK STANDARD power module,very low THD with 3 band master EQ and the mixer module includes one for microphone and dual-bridging CD/AUX input channel plus an additional line level signal input 1/4" jack.
These are outputs for additional powered units or for extension passive speaker.
The cabinet design of the SP-115APM allows use in an upright position, as an angled monitor or on a standard speaker stand. the frequency response is excellent for voice and music applications.

  • 2-Way active full-range monitor system.
  • The one inch SK30STN HF Drivers on a SABS3 Horn.
  • An internal passive crossover frequency is 2.5khz 12dB/octave
  • The STK "circuit pro"protects to the HF Driver from accidental overload.
  • The enclosure construction by "STK STANDARD"
  • Ultra tough,the scratch proof warnex texture coated.
  • 35mm pole mount receptacle on the bottom.
  • STK Pole and Speaker stand option.
Model SP-115APM
System configuration Powered 2-Way Full Range
LF Components & Loading One SK15300 15” woofer, vented
HF Components & Loading One 1" voice coil compression driver(SK30STN)
Operating Mode Active
Frequency Response  
±3 dB 60Hz ~ 18kHz
-10 dB 55Hz ~ 19Hz
Axial Sensitivity(dB SPL, 1 watt @ 1m) 101
Nominal Input Impedance(ohms) 4-8
Power Handling(Watts, Continuius) 250
Power Handling(Watts, Peak) 1000
Calculated SPL Limit
(Referenced to 1 m)
Peak 131dB
Long Term 125dB
Norminal Dispersion(degree@-6dB)  
Horizontal 65 °
Vertical 65 °
Optional Accessries STK "SPM35130", STK STAND "ST6180"
( ±0.13 inch / ±3 mm)
Height 669
Front width 460
Rear width 105
Depth 424
Shipping/CBM 0.225
Net weight 27.34kg
Shipping weight 30.54 kg
Output Power  
4 ohm 300W
8 ohm 200W
Frequency Response
20Hz ~ 30kHz
THD 20Hz~30kHz ≤0.05%
Hum & Noise ≥70 dB
Input Sensitivity MIC: -50dBm/XLR
CD/TAPE: 0 dBm/Stereo RCA
LINE: -10 dBm/TS 1/4" Phone and XLR
Equalizer(+/-12dB) High: 10 kHz
Mid: 2.5 kHz
Low: 100 Hz
Damping Factor ≥250
Input impedance 1k ohm
Connectors Input XLR,1/4"PHONE, Stereo RCA
Connector output Neutrik Type Speakon(Amp) for EXT Speaker use
XLR/TS 1/4" Phone(Line out)
Power Requirements 450 Watts
Special Features 1. Peak LED, Power LED
2. Convenction Cooling
3. Full Circuit Proection
*Specifications subject to change without notice.
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Tel. 82-32-525-1788~1789 Fax. 82-32-525-1784   E-mail : stkcom@stkpro.com